Pith Number

pith:T5SLZWKB

pith:2020:T5SLZWKB33HAFRDYWC55DKKLVR

not attested not anchored not stored refs pending

Shape Matters: Understanding the Implicit Bias of the Noise Covariance

Colin Wei, Jason D. Lee, Jeff Z. HaoChen, Tengyu Ma

arxiv:2006.08680 v2 · 2020-06-15 · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T5SLZWKB33HAFRDYWC55DKKLVR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T01:11:14.445443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f64bcd941dece02c478b0bbd1a94bac60c846a9be095753d146c9100a4dc0d6

Aliases

arxiv: 2006.08680 · arxiv_version: 2006.08680v2 · doi: 10.48550/arxiv.2006.08680 · pith_short_12: T5SLZWKB33HA · pith_short_16: T5SLZWKB33HAFRDY · pith_short_8: T5SLZWKB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/T5SLZWKB33HAFRDYWC55DKKLVR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9f64bcd941dece02c478b0bbd1a94bac60c846a9be095753d146c9100a4dc0d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4eeb7369e14205290d70c912f53263694f144645ecca8e8c198b04686f927e3",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-06-15T18:31:02Z",
    "title_canon_sha256": "f9504d5c21c22bce78523c3fe88ac20ab00d889b27a71c30b5e47dab50c81a49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.08680",
    "kind": "arxiv",
    "version": 2
  }
}